Densified sludge screening device

Abstract

The utility model discloses a densified sludge screening device, which relates to the technical field of sludge treatment, and comprises a fixed base and a screening assembly, a supporting vertical rod is arranged on the upper surface of the fixed base, and the screening assembly is arranged at the top of the supporting vertical rod. And the screening assembly comprises a water retaining hopper, a drainage pipe, an annular baffle, a compact filter screen, a supporting plate, a servo motor, a connecting rod, an auxiliary scraping plate, a sludge discharging opening, a fixing frame and a vibration motor, the water retaining hopper is arranged at the top of the supporting vertical rod, and the drainage pipe is installed on the front surface of the water retaining hopper. According to the densified sludge screening device, through the screening assembly, liquid in sludge can be fully screened out through filtration of a densified filter screen, so that small-particle sludge can be screened out, the sludge screening efficiency is further improved, through the extrusion assembly, water in the sludge can be preliminarily extruded, and the water content in the sludge can be greatly reduced; therefore, large sludge blocks with low water content can be screened out conveniently, and transportation and subsequent treatment are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a densified sludge screening device. Background Art

[0002] After sewage treatment, a large amount of sludge will be precipitated, which needs to be treated. In order to improve the subsequent treatment efficiency, the sludge needs to be screened so that the sludge can be classified and treated in a targeted manner. Therefore, a sludge screening device is needed. However, the current sludge screening device still has the following shortcomings:

[0003] For example, the patent document with application number 202320477917.5 discloses a sludge screening device. The sludge screening device is provided with a positioning block, and after the positioning block and the positioning groove are movably sleeved together, it is convenient to position the collection box and pour out the sludge after screening inside the collection box. However, due to the high density of the sieve holes, the sludge screening is not sufficient, and a large amount of water is contained in the sludge, the screening efficiency is low, and it is not convenient for subsequent processing.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a densified sludge screening device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a densified sludge screening device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a densified sludge screening device, comprising a fixed base and a screening assembly, a supporting upright is installed on the upper surface of the fixed base, the screening assembly is arranged on the top of the supporting upright, and the screening assembly includes a water retaining bucket, a drainage pipe, an annular baffle, a dense filter, a support plate, a servo motor, a connecting rod, an auxiliary scraper, a mud discharge port, a fixed frame and a vibration motor, the water retaining bucket is arranged on the top of the supporting upright, and a drainage pipe is installed on the front surface of the water retaining bucket, an annular baffle is arranged on the upper surface of the water retaining bucket, and a dense filter is installed on the lower end of the inner surface of the annular baffle, a support plate is arranged on the inner upper end of the annular baffle, and a servo motor is installed on the upper surface of the support plate.

[0007] Furthermore, the output end of the servo motor is connected to a connecting rod through a coupling, and an auxiliary scraper is installed on the surface of the connecting rod. The auxiliary scrapers are symmetrically arranged in two groups, and a mud discharge port is arranged on the right side surface of the annular baffle.

[0008] Furthermore, a fixing frame is provided on the lower surface of the water retaining bucket, and a vibration motor is installed on the inner upper surface of the fixing frame.

[0009] Furthermore, a support frame is installed on the left side of the upper surface of the fixed base, and an extrusion component for squeezing water is arranged on the upper end of the support frame.

[0010] Furthermore, the extrusion assembly includes a filtrate tank, a fixed cylinder, a filtrate grid and a mud inlet pipe, and the filtrate tank is arranged on the inner side of the upper end of the support frame, a fixed cylinder is installed inside the filtrate tank, and a filtrate grid is arranged on the surface of the fixed cylinder, and a mud inlet pipe is installed at the upper right end of the filtrate tank.

[0011] Furthermore, the extrusion assembly also includes a rotating motor, a material transfer auger, a mud discharge pipe and a liquid discharge pipe, and a rotating motor is installed on the right surface of the filtrate tank, and the output end of the rotating motor is connected to the material transfer auger through a coupling, a mud discharge pipe is installed at the lower left end of the filtrate tank, and a liquid discharge pipe is provided at the lower right end of the filtrate tank.

[0012] Furthermore, a drying box is installed on the right side of the upper surface of the fixed base, and the upper surface of the drying box is connected to the outer end of the mud discharge port.

[0013] Furthermore, a hot air blower is provided on the upper surface of the drying box, and a storage drawer cavity is slidably connected to the inner side of the drying box.

[0014] The utility model provides a densified sludge screening device, which has the following beneficial effects:

[0015] 1. The utility model is provided with a screening component including a water retaining bucket, a drainage pipe, an annular baffle, a dense filter screen, a support plate, a servo motor, a connecting rod, an auxiliary scraper, a mud outlet, a fixing frame and a vibration motor. The screening component includes a water retaining bucket, a drainage pipe, an annular baffle, a dense filter screen, a support plate, a servo motor, a connecting rod, an auxiliary scraper, a mud outlet, a fixing frame and a vibration motor. When in use, after the preliminary filtrate, the liquid mixed with fine sludge is discharged to the surface of the dense filter screen, and the vibration motor is started at the same time, and the water retaining bucket is driven to filter the liquid. The dynamic dense filter screen vibrates continuously at high speed, so that the sludge is intercepted on the dense filter screen, and the remaining liquid flows into the water retaining bucket and is discharged through the drain pipe. At the same time, the servo motor is started, so that the servo motor drives the auxiliary scraper to rotate along the upper surface of the dense filter screen through the connecting rod, so that the auxiliary scraper scrapes up the sludge on the dense filter screen, and the sludge is discharged through the sludge discharge port, so that the device can fully screen the liquid in the sludge through the filtration of the densification filter screen, so as to screen out smaller particles of sludge, further improving the sludge screening efficiency.

[0016] 2. The utility model sets an extrusion assembly, which includes a filtrate tank, a fixed cylinder, a filtrate grid and a mud inlet pipe. The extrusion assembly also includes a rotating motor, a material conveying auger, a mud discharge pipe and a liquid discharge pipe. When in use, the sludge enters the fixed cylinder through the mud inlet pipe, and the rotating motor is started to drive the material conveying auger to rotate, so as to transfer the sludge. During the transmission, the sludge and the filtrate grid on the surface of the fixed cylinder are squeezed, so that the liquid in the sludge passes through the filtrate grid and enters the filtrate tank, and the liquid mixed with the sludge is discharged to the dense filter screen through the liquid discharge pipe, and the large sludge after being squeezed is discharged through the mud discharge pipe. Therefore, the device can initially squeeze the water in the sludge, so as to screen out the large sludge with low water content, which is convenient for transportation and subsequent treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a densified sludge screening device of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a screening component of a densified sludge screening device of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of an extrusion assembly of a densified sludge screening device of the utility model;

[0020] Figure 4 It is a schematic diagram of the rear three-dimensional structure of a densified sludge screening device of the utility model.

[0021] In the figure: 1. fixed base; 2. supporting pole; 3. screening component; 301. water retaining bucket; 302. drainage pipe; 303. annular baffle; 304. dense filter screen; 305. support plate; 306. servo motor; 307. connecting rod; 308. auxiliary scraper; 309. mud outlet; 310. fixed frame; 311. vibration motor; 4. support frame; 5. extrusion component; 501. filtrate tank; 502. fixed cylinder; 503. filtrate grid; 504. mud inlet pipe; 505. rotating motor; 506. material conveying auger; 507. mud discharge pipe; 508. drainage pipe; 6. drying box; 7. hot air blower; 8. pulling chamber. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] like Figures 1 to 4As shown, a densified sludge screening device includes a fixed base 1 and a screening component 3, a support pole 2 is installed on the upper surface of the fixed base 1, the screening component 3 is arranged on the top of the support pole 2, and the screening component 3 includes a water retaining bucket 301, a drainage pipe 302, an annular baffle 303, a dense filter 304, a support plate 305, a servo motor 306, a connecting rod 307, an auxiliary scraper 308, a mud discharge port 309, a fixed frame 310 and a vibration motor 311, the water retaining bucket 301 is arranged on the top of the support pole 2, and the drainage pipe 302 is installed on the front surface of the water retaining bucket 301, an annular baffle 303 is arranged on the upper surface of the water retaining bucket 301, and the dense filter 304 is installed on the lower end of the inner surface of the annular baffle 303, a support plate 305 is arranged on the inner upper end of the annular baffle 303, and a servo motor 306 is installed on the upper surface of the support plate 305.

[0024] The specific operation is as follows. When in use, after preliminary filtration, the liquid mixed with fine sludge is discharged to the upper surface of the dense filter screen 304, and at the same time, the vibration motor 311 is started, and the dense filter screen 304 is driven to vibrate continuously at a high speed through the water retaining bucket 301, so that the sludge is intercepted on the dense filter screen 304, and the remaining liquid flows into the water retaining bucket 301 and is discharged through the drain pipe 302. At the same time, the servo motor 306 is started, so that the servo motor 306 drives the auxiliary scraper 308 to rotate along the upper surface of the dense filter screen 304 through the connecting rod 307, so that the auxiliary scraper 308 scrapes up the sludge on the dense filter screen 304, and the sludge is discharged through the mud discharge port 309.

[0025] Please refer to Figure 1 and Figure 4 The output end of the servo motor 306 is connected to a connecting rod 307 through a coupling, and an auxiliary scraper 308 is installed on the surface of the connecting rod 307. Two groups of auxiliary scrapers 308 are symmetrically arranged, and a mud discharge port 309 is arranged on the right side surface of the annular baffle 303. A fixing frame 310 is arranged on the lower surface of the water retaining bucket 301, and a vibration motor 311 is installed on the inner upper surface of the fixing frame 310. A drying box 6 is installed on the right side of the upper surface of the fixed base 1, and the upper surface of the drying box 6 is connected to the outer end of the mud discharge port 309. A hot air blower 7 is arranged on the upper surface of the drying box 6, and a storage drawer chamber 8 is slidably connected to the inner side of the drying box 6;

[0026] The specific operation is as follows. When in use, the sludge from which the water is screened out falls into the storage drawer chamber 8 in the drying box 6 through the sludge discharge port 309, and the sludge inside the bottom of the hot air blower 7 is started to dry. After drying, the storage drawer chamber 8 is pulled out to take out the dried sludge.

[0027] Please refer to Figure 3A support frame 4 is installed on the left side of the upper surface of the fixed base 1, and an extrusion component 5 for squeezing water is arranged on the upper end of the support frame 4, the extrusion component 5 includes a filtrate tank 501, a fixed cylinder 502, a filtrate grid 503 and a mud inlet pipe 504, and the filtrate tank 501 is arranged on the inner side of the upper end of the support frame 4, a fixed cylinder 502 is installed inside the filtrate tank 501, and a filtrate grid 503 is arranged on the surface of the fixed cylinder 502, and a mud inlet pipe 504 is installed on the upper right end of the filtrate tank 501, the extrusion component 5 also includes a rotating motor 505, a material conveying auger 506, a mud discharge pipe 507 and a liquid discharge pipe 508, and a rotating motor 505 is installed on the right surface of the filtrate tank 501, and the output end of the rotating motor 505 is connected to the material conveying auger 506 through a coupling, a mud discharge pipe 507 is installed on the left end of the lower side of the filtrate tank 501, and a liquid discharge pipe 508 is arranged on the right end of the lower side of the filtrate tank 501;

[0028] The specific operation is as follows. When in use, the sludge enters the fixed cylinder 502 through the sludge inlet pipe 504, and the rotating motor 505 is started, so that the rotating motor 505 drives the material conveying auger 506 to rotate, and the sludge is transmitted. During the transmission, the sludge is squeezed with the filtrate grid 503 on the surface of the fixed cylinder 502, so that the liquid in the sludge passes through the filtrate grid 503 and enters the filtrate tank 501, and the liquid mixed with the sludge is discharged to the dense filter screen 304 through the discharge pipe 508, and the large pieces of sludge after being squeezed are discharged through the sludge discharge pipe 507.

[0029] In summary, if Figures 1 to 4 As shown, when the densified sludge screening device is used, first, the sludge enters the fixed cylinder 502 through the sludge inlet pipe 504, and the rotating motor 505 is started to drive the conveying screw 506 to rotate to transfer the sludge. During the transmission, the sludge is squeezed with the filtrate grid 503 on the surface of the fixed cylinder 502, so that the liquid in the sludge passes through the filtrate grid 503 and enters the filtrate tank 501, and the liquid mixed with the sludge is discharged to the dense filter screen 304 through the discharge pipe 508, and the large sludge after being squeezed is discharged through the sludge discharge pipe 507. After the liquid mixed with the fine sludge is discharged to the upper surface of the dense filter screen 304, the vibration motor 31 1 is started, and the dense filter screen 304 is driven to vibrate continuously at a high speed through the water retaining bucket 301, so that the sludge is intercepted on the dense filter screen 304, and the rest of the liquid flows into the water retaining bucket 301 and is discharged through the drain pipe 302. At the same time, the servo motor 306 is started, so that the servo motor 306 drives the auxiliary scraper 308 to rotate along the upper surface of the dense filter screen 304 through the connecting rod 307, so that the auxiliary scraper 308 scrapes the sludge on the dense filter screen 304, and the sludge is discharged through the mud discharge port 309 and falls into the storage drawer chamber 8 in the drying box 6. The sludge inside the bottom of the hot air blower 7 is started to dry. After drying, the storage drawer chamber 8 is pulled out to take out the dried sludge.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A densified sludge screening device, comprising a fixed base (1) and a screening assembly (3), characterized in that: The upper surface of the fixed base (1) is provided with a supporting pole (2), the screening assembly (3) is arranged on the top of the supporting pole (2), and the screening assembly (3) comprises a water retaining bucket (301), a drainage pipe (302), an annular baffle (303), a dense filter screen (304), a supporting plate (305), a servo motor (306), a connecting rod (307), an auxiliary scraper (308), a mud discharge port (309), a fixing frame (310) and a vibration motor (311). 1), the water retaining bucket (301) is arranged on the top of the supporting upright pole (2), and a drainage pipe (302) is installed on the front surface of the water retaining bucket (301), an annular baffle (303) is arranged on the upper surface of the water retaining bucket (301), and a dense filter screen (304) is installed on the lower end of the inner surface of the annular baffle (303), a support plate (305) is arranged on the inner upper end of the annular baffle (303), and a servo motor (306) is installed on the upper surface of the support plate (305).

2. A densified sludge screening device according to claim 1, characterized in that: The output end of the servo motor (306) is connected to a connecting rod (307) via a coupling, and an auxiliary scraper (308) is installed on the surface of the connecting rod (307). Two groups of the auxiliary scrapers (308) are symmetrically arranged, and a mud discharge port (309) is arranged on the right side surface of the annular baffle (303).

3. The densified sludge screening device according to claim 1, characterized in that: A fixing frame (310) is provided on the lower surface of the water retaining bucket (301), and a vibration motor (311) is installed on the inner upper surface of the fixing frame (310).

4. The densified sludge screening device according to claim 1, characterized in that: A support frame (4) is installed on the left side of the upper surface of the fixed base (1), and an extrusion component (5) for squeezing water is arranged at the upper end of the support frame (4).

5. The densified sludge screening device according to claim 4, characterized in that: The extrusion assembly (5) comprises a filtrate tank (501), a fixed cylinder (502), a filtrate grid (503) and a mud inlet pipe (504), wherein the filtrate tank (501) is arranged on the inner side of the upper end of the support frame (4), the fixed cylinder (502) is installed inside the filtrate tank (501), and the filtrate grid (503) is arranged on the surface of the fixed cylinder (502), and the mud inlet pipe (504) is installed at the upper right end of the filtrate tank (501).

6. The densified sludge screening device according to claim 5, characterized in that: The extrusion assembly (5) further comprises a rotating motor (505), a material conveying auger (506), a mud discharge pipe (507) and a liquid discharge pipe (508), and the rotating motor (505) is installed on the right surface of the filtrate tank (501), and the output end of the rotating motor (505) is connected to the material conveying auger (506) via a coupling, the mud discharge pipe (507) is installed at the lower left end of the filtrate tank (501), and the liquid discharge pipe (508) is provided at the lower right end of the filtrate tank (501).

7. The densified sludge screening device according to claim 1, characterized in that: A drying box (6) is installed on the right side of the upper surface of the fixed base (1), and the upper surface of the drying box (6) is connected to the outer end of the mud discharge port (309).

8. The densified sludge screening device according to claim 7, characterized in that: A hot air blower (7) is provided on the upper surface of the drying box (6), and a storage drawer cavity (8) is slidably connected to the inner side of the drying box (6).

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